Two abandoned and dilapidated log buildings, one an assay office, are by the side of a two-track road in Upper Fulford, Colorado. The buildings are surrounded by brush, and tall evergreens grow on the hillside behind.

Men stand and pose in front of the log "Guyot's Assay Office" building in Cripple Creek (Teller County), Colorado. Men wear vests or jackets and hats. One man holds probably a canvas bag; another man holds probably a baseball bat. Shows log cabins,...

In Saints John, Summit County, Colorado, this two-story log guest house has a rustic porch/balcony, bargeboard, antlers, and external stairs. It is flanked by the foremen's home and the assay office: frame and log buildings.

Men identified as Philip Schuch Jr. and Earl Akin stand in the door of an assay office, signs read: "Pittsburg - Colorado Sampling Works and Assay Office, Philip Schuch, Jr.," Cripple Creek, Colorado. The business is housed in a false front...

View of a mine identified as the Eaglebird Mine on the Eagle River near Gilman on Battle Mountain (Eagle County), Colorado. Shows a foot bridge, a wood frame aerial tram house and assay office, log supports buttressing a tailings pile, and a mine...

Two men lean on a wooden bridge and look toward the Eagle Bird Assay office on the Eagle River, Eagle County, Colorado. Shows the Eagle Bird Mine, mining tramway tracks, cable for an aerial tram from the Belden mine, a mine dump and wood frame...

View of men, one sits and one stands on a wooden bridge across the Eagle River at Battle Mountain, Eagle County, Colorado. Shows the Assay Office of the Eagle Bird Mine, tram tracks, cable for the aerial tram, and a mine dump.

View down unpaved Eureka Street toward Central Hill in Central City, Colorado. Along the wood-plank sidewalk that borders the streets are two clapboard houses with gabled, shingled roofs, and rectangular- shaped windows, next to the side of the...

View up unpaved Eureka Street toward Quartz Hill in Central City, Colorado. The Teller House is in the foreground with a sign that reads, "Hotel Teller House Dining Room." The second sign attached to the building reads, "J.S. Kimball Assay...

View east down Eureka Street toward snow-covered Central Hill, with a wagon drawn by six white, harnessed horses. The driver of the wagon wears a hat and a work suit. The Teller House is to the left of the image and has a sign that reads "Assay...

Pedestrians and men with bicycles stand on the sidewalk and in the street on the 1700 block of Champa Street in Denver, Colorado. Signs on the nearby buildings read: "Bicycle Repairing," "Tin Shop," "Plumbing," "Merle Furnished Rooms Transient,"...

Saints John, Summit County, Colorado, consists of frame mining sheds and administration buildings. The Assay Office (2) is connected to the mill (1) by an elevated frame walkway. Glacier Mountain, in the background, is dotted with tailings;...

Men work in an assay office, probably in Colorado. Shows an assayer pouring ore into a cupel over a stove. Shows barrels, sacks, sifters, tins, mortars and pestles, tongs, and graduated sizes of cupels in the laboratory.

Members of the cast of "The Masked Model" pose in front of the Broadway Theater at 1756 Broadway in Denver, Colorado. Playbills hang at the entrance to the theater and read: "John Cort Presents a New Musical Comedy. The Masked Model." Other signs...

View of a laboratory in an assay office, probably in Colorado. One man sits at a counter to measure ore samples, another man with a pipette and beaker stands near a wood stove. Shows various ore measuring equipment, including a button-balance...

Members of the cast of the musical comedy "Irene" pose in front of the Broadway Theater at 1756 Broadway in Denver, Colorado. Posters with pictures of scenes from the play stand in front of the theater. Signs read: "Metropole," "Restaurant,"...

Members of the cast of "Passing Show of 1921" pose in front of the Broadway Theater. Eugene and Willie Howard sit at center front with a dog between them. Signs read: "Restaurant," "Cafe," "Assay Office," and "Savoy." Shows Trinity Methodist Church.

An unidentified man dressed in a suit stands on a sidewalk in Central City, Colorado, holding a shovel. Enormous piles of snow that are taller than the man line Eureka Street in front of him. Signs marking a bank, a millinery, the Teller House and...

Members of the cast of "Passing Show of 1921" pose in front of the Broadway Theater. Eugene and Willie Howard sit at center front with a dog between them. Signs read: "Restaurant," "Cafe," "Assay Office," and "Savoy."

Members of the cast of "The Passing Show of 1918" pose in front of the Broadway Theater at 1756 Broadway in Denver, Colorado. Eugene and Willie Howard sit at center; a dog sits between them. Signs read: "Metropole Restaurant," "Mason Tire & Rubber...

View of horses, one pulls a wagon, with banners that read: "Democrat" and White Republican on Ballot" on the 1700 block of Champa Street in Denver, Colorado. Signs on the nearby buildings read: "Plumbing," "Enterprise Hand Laundry," "Aurum Assay...

United States Air Force soldiers, wearing blue uniforms, white belts, white gloves, berets, and braids over their shoulders, march down Eureka Street in Central City, Colorado. The band members in the front row are playing drums. Spectators stand...

The stone and brick Wallstreet Assay Office has a steep pitched, corrugated metal roof a tall chimney, a fenced yard and a nearby wooden shed in Wallstreet (Boulder County), Colorado. The stone ruins of the Wallstreet Gold Extraction Company Mill...

Crowd gathers near Midland Terminal Railway Station constructed in 1896, Bennett Avenue, Cripple Creek, Colorado; scene includes miners with lunch buckets, horse-drawn carriage and riders, and group of men near the depot; street consists of...

Interior view of the Fifty Gold Mines Corporation assay laboratory, in Blackhawk, Gilpin County, Colorado; shows a man with water hoses and a brick retort furnace; tongs and crucibles are on a table. The bucket is for collecting mercury used in the...

Members of the cast and crew of "Chin Chin" pose in front of the Broadway Theater at 1756 Broadway in Denver, Colorado. Posters for the show read: "This Week. Charles Dillingham's Greatest Musical Success. Chin Chin." Other signs read: "Husel Tire....